23221400541 has 32 divisors (see below), whose sum is σ = 31605841920. Its totient is φ = 15162638400.

The previous prime is 23221400537. The next prime is 23221400561. The reversal of 23221400541 is 14500412232.

It is not a de Polignac number, because 23221400541 - 2² = 23221400537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23221400561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21052396 + ... + 21053498.

It is an arithmetic number, because the mean of its divisors is an integer number (987682560).

Almost surely, 2^23221400541 is an apocalyptic number.

It is an amenable number.

23221400541 is a deficient number, since it is larger than the sum of its proper divisors (8384441379).

23221400541 is a wasteful number, since it uses less digits than its factorization.

23221400541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 23221400541 its reverse (14500412232), we get a palindrome (37721812773).

The spelling of 23221400541 in words is "twenty-three billion, two hundred twenty-one million, four hundred thousand, five hundred forty-one".